INSIZE 2421-7D5 Split Type Dial Bore Gage Set (4.15-7.8mm, 7)

Range: 4.15-7.8mm

Quantity of points: 7

Measuring range of point: 4.15-4.8mm; 4.7-5.3mm; 5.2-5.8mm; 5.7-6.3mm; 6.2-6.8mm; 6.7-7.3mm; 7.2-7.8mm

Measuring depth (L1): 41mm/45mm

Total length (L): 118mm

Material of poins: hard chromed

Type of point: B

Split type contact points

Accuracy (without indicator): 

- 3µm (measuring range: 0.95-10mm)

- 4µm (measuring range: 10-20.6mm)

Repeatability (without indicator): 1µm

Setting rings and indicators are optional